#include "stdio.h"
typedef unsigned char *byte_pointer;
void show_bytes(byte_pointer start,int len)
{
	int i;
	printf("转化成16进制是\n");
	for(i=0;i<len;i++)
		{
		printf("%.2x",start[i]);
		}
	printf("\n");
}
void show_pointer(void *x)
{
	show_bytes((byte_pointer) &x, sizeof(void *));
}
void show_int(int x)
{
	show_bytes((byte_pointer) &x,sizeof(int));
}
void show_float(float x)
{
	show_bytes((byte_pointer) &x, sizeof(float));
}
void test_show_bytes(int val)
{
	int ival = val;
	float fval = (float) ival;
	int *pval = &ival;
	show_int(ival);
	show_float(ival);
	show_pointer(pval);
}
int main()
{
	int val;
	printf("请输入数字\n");
	scanf("%d",&val);
	byte_pointer valp=(byte_pointer)&val;
	show_bytes(valp, 1);
}
